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feat(config): merge platform config model and add disabled-platform guard (#336)

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## Problem

Supplying any `platforms` table silently dropped all unlisted platforms,
making it easy to accidentally disable platforms. Invoking a disabled
platform produced no user-facing error.

## Solution

Switch to a merge model: all six platforms are enabled by default and
user entries are deep-merged on top. Set a platform key to `false` to
disable it explicitly. Add a `check_platform_enabled` guard in
`handle_command` for contest fetch, login, logout, and race actions.
This commit is contained in:
Barrett Ruth 2026-03-06 16:14:16 -05:00 • committed by GitHub
parent 82640709d6
commit e89c57558d
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GPG key ID: B5690EEEBB952194
3 changed files with 74 additions and 29 deletions
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40
lua/cp/commands/init.lua
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@ -283,7 +283,7 @@ local function parse_command(args)
message = 'Too few arguments - specify a contest.',
}
elseif #args == 2 then
if args[2] == 'login' or args[2] == 'logout' then
if args[2] == 'login' or args[2] == 'logout' or args[2] == 'signup' then
return { type = 'action', action = args[2], requires_context = false, platform = first }
end
local contest = args[2]
@ -330,6 +330,22 @@ local function parse_command(args)
return { type = 'error', message = 'Unknown command or no contest context.' }
end
---@param platform string
---@return boolean
local function check_platform_enabled(platform)
local cfg = require('cp.config').get_config()
if not cfg.platforms[platform] then
logger.log(
("Platform '%s' is not enabled. Add it to vim.g.cp.platforms to enable it."):format(
constants.PLATFORM_DISPLAY_NAMES[platform] or platform
),
{ level = vim.log.levels.ERROR }
)
return false
end
return true
end
--- Core logic for handling `:CP ...` commands
---@return nil
function M.handle_command(opts)
@ -378,6 +394,9 @@ function M.handle_command(opts)
elseif cmd.action == 'submit' then
require('cp.submit').submit({ language = cmd.language })
elseif cmd.action == 'race' then
if not check_platform_enabled(cmd.platform) then
return
end
require('cp.race').start(cmd.platform, cmd.contest, cmd.language)
elseif cmd.action == 'race_stop' then
require('cp.race').stop()
@ -396,9 +415,25 @@ function M.handle_command(opts)
end
vim.ui.open(url)
elseif cmd.action == 'login' then
if not check_platform_enabled(cmd.platform) then
return
end
require('cp.credentials').login(cmd.platform)
elseif cmd.action == 'logout' then
if not check_platform_enabled(cmd.platform) then
return
end
require('cp.credentials').logout(cmd.platform)
elseif cmd.action == 'signup' then
local url = constants.SIGNUP_URLS[cmd.platform]
if not url then
logger.log(
("No signup URL available for '%s'"):format(cmd.platform),
{ level = vim.log.levels.WARN }
)
return
end
vim.ui.open(url)
end
elseif cmd.type == 'problem_jump' then
local platform = state.get_platform()
@ -432,6 +467,9 @@ function M.handle_command(opts)
local cache_commands = require('cp.commands.cache')
cache_commands.handle_cache_command(cmd)
elseif cmd.type == 'contest_setup' then
if not check_platform_enabled(cmd.platform) then
return
end
local setup = require('cp.setup')
setup.setup_contest(cmd.platform, cmd.contest, nil, cmd.language)
return